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1.ZVF300 Series frequency Inverter is suitable for all kinds of devices such as metallurgy, plastic, textile machinery , paper manufacturing machinery, food machinery, petrification equipment, drugs manufacture, steel and iron equipment , printing mechanism , packing machinery , blower fan, water pump,hoisting equipment , building materials and so on for driving and speeding control of AC asynchronous motor .
2. ZVF300 Series frequency Inverter has the good effect energy conservation , fine speed adjustment performance , stable operation , stable operation , electrical machinery soft start, protect function and self diagnostics fault and other advantages.
|Control Function||Automatic energy-saving operation||Auto optimize V/F curve according to the load changes to realize the energy saving operation.|
|Auto voltage regulation(AVR)||When the network voltage changes, it can regulate PWM output automatically to maintain constant voltage.|
|Built-in PID||This can form a convenient closed-loop control system (CLCS)and is applicable to pressure control, flow control and other process control .|
|Operation Function||Operating command||Operation panel control ,external terminal control and COM control|
|Frequency setting||Keypad potentiometer setting , operation panel setting,. external terminal UP/DOWN setting, analog voltage signal or external potentiometer setting , analog current signal setting .terminal combination setting ,485 COM setting and so on.|
|Input Signal||Forward/Reverse signal\multi-speed signal \fault signal \|
reset signal etc.
|Output signal||Programmable relay\open collector output \Fault signal output.|
|Multi-function analog and digital output terminal||This can realize the output of frequency current and other physical quantity by output 0-10V or 0-20mA DC signal and 0-10KHz digital signal output.|
|Braking function||Dynamic braking||With an external braking resistor, the maximum braking torque may reach 100%.|
|DC Braking||This can be selected when the motor starts or stops with the action frequency of 0-20Hz,action current level of 0-100% and actuation time of 0-30sec., which can be set in sequence.|
|Other Function||Skip frequency\Jog function\Counter \Rotation speed tracking\Momentary power loss restart \Frequency upper/lower limiting\Acceleration/ Deceleration mode can be adjusted \Frequency meter and Voltmeter output \Multi-speed/ program running \Two wire mode/ three wire mode control \Wobble frequency control\Multi-function input terminal selection \Fault auto reset\RS485 serial communication .|
|Protection Function||Input phase loss protection\Over current protection \Overload protection\Over voltage protection \Under voltage protection\Over heat protection ect.|